What are introductions based on in the business world()
Age
B. Sex
C. Rank
D. Name
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What does Bill want to be()
A jornalist
B. A lawyer
C. A businessman
D. A teacher
按正态分布规律,测量值 x 出现在 μ-σ ≤ x ≤ μ+σ 区间的概率是()
A. 0.16
B. 0.34
C. 0.68
D. 0
函数 w = sinz 的值域是()
A. 全复平面
B. 单位圆内
C. −1 ≤ Re w ≤ 1
D. −1 ≤ In w ≤ 1
What does Tom want to be()
A journalist
B. A lawyer
C. A businessman
D. He doesn’t know